[PATCH] lockdep: irqtrace subsystem, i386 support
Add irqflags-tracing support to i386.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index 04ba302..7e29b51 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -31,6 +31,11 @@
"jmp 1b\n" \
"3:\n\t"
+/*
+ * NOTE: there's an irqs-on section here, which normally would have to be
+ * irq-traced, but on CONFIG_TRACE_IRQFLAGS we never use
+ * __raw_spin_lock_string_flags().
+ */
#define __raw_spin_lock_string_flags \
"\n1:\t" \
"lock ; decb %0\n\t" \